ABB DSAI 146 3BSE007949R1 DS analog Input unit

Built with robust industrial standards, the DSAI 146 is engineered to operate in harsh environments with resistance to electromagnetic interference and temperature fluctuations. Its modular design supports flexible installation and simplifies maintenance and upgrades, allowing seamless integration into both new and existing ABB control infrastructures.

Product Features & Advantages

• High Accuracy Analog Input: Supports multiple differential analog input channels with high-resolution A/D conversion for accurate signal acquisition.

• Diagnostic Capabilities: Built-in diagnostics help identify wiring errors, module faults, and signal quality issues.

• Flexible Configuration: Compatible with a wide range of input signal types (0-10V, 4-20mA, etc.), making it adaptable to various field instruments.

• Rugged Industrial Design: Operates reliably in environments with vibration, dust, and temperature fluctuations.

• Seamless System Integration: Fully supported by ABB 800xA and AC800M control platforms for synchronized control and monitoring.

• Reduced Downtime: Hot-swappable design allows for replacement without interrupting system operations.

• Low Signal Interference: Shielded architecture minimizes cross-channel interference and noise.

Technical Specifications

Product Applications

The ABB DSAI 146 analog input module is widely used in industries where precise measurement and control of process variables are essential. Typical application areas include:

• Power Generation Plants – Monitoring temperature, flow, and pressure sensors.

• Oil & Gas Industry – Integration with pressure transducers, tank level indicators.

• Water Treatment Facilities – Control of pH, chlorine, and turbidity measurement systems.

• Chemical Processing – Monitoring temperature and pressure conditions in reactors.

• Manufacturing Automation – Analog feedback for robotic and CNC control.

• HVAC & Building Automation – Integration with sensors for environmental monitoring.

Installation Guidelines

1. Ensure the control system is powered down before installation.

2. Mount the module on a DIN rail or control cabinet as specified.

3. Connect analog signal cables to terminal blocks, following ABB wiring standards.

4. Configure channel types and ranges via ABB configuration tools (Control Builder or 800xA).

5. Perform signal calibration and diagnostics to verify accuracy.

6. Power on the system and check module status indicators for readiness.

7. Maintain regular checks on signal stability and perform diagnostics during scheduled maintenance.

FAQs

Q1: What types of signals does the DSAI 146 support?

A1: It supports ±10V, 0–10V, and 4–20mA analog signals, configurable per channel.

Q2: Can the DSAI 146 be used with 800xA systems?

A2: Yes, it is fully compatible with ABB’s 800xA and AC800M platforms.

Q3: How many analog channels does the module support?

A3: It supports 16 differential or 32 single-ended channels.

Q4: Is this module hot-swappable?

A4: Yes, it can be replaced without shutting down the entire system.

Q5: What is the resolution of the A/D conversion?

A5: It features a 16-bit resolution for high-accuracy readings.

Q6: Is it resistant to industrial environments?

A6: Yes, it’s built to operate in harsh conditions including wide temperature ranges and EMI-prone areas.

Q7: What software is needed for configuration?

A7: ABB’s Control Builder or the 800xA Engineering Tool is used for configuration.

Q8: How do I mount the module?

A8: It can be DIN rail or panel-mounted as per installation requirements.

Q9: Does it support diagnostic functions?

A9: Yes, it includes built-in diagnostics for signal and hardware health monitoring.

Q10: What maintenance is required?

A10: Routine inspection, signal calibration, and diagnostics verification are recommended for long-term performance.